Item Response Theory

from the logic of IRT to cutting edge applications of the technique. Readers will also benefit from the inclusion of: A thorough introduction to the foundations of Item Response Theory, including its logic and origins, model-based measurement, psychological scaling, and classical test theory An exploration of selected mathematical and statistical results, including points, point sets, and set operations, probability, sampling, and joint, conditional, and marginal probability Discussions of unidimensional and multidimensional IRT models, including item parameter estimation with binary and polytomous data Analysis of dimensionality, differential item functioning, and multiple group IRT Perfect for graduate students and researchers studying and working with psychometrics in psychology, quantitative psychology, educational measurement, marketing, and statistics, Item Response Theory will also benefit researchers interested in patient reported outcomes in health research. [Publisher's Text]

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